*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}

:root {
  --bg-deep: #0a0a0f;
  --bg-panel: #0e0e1a;
  --bg-card: #12121f;
  --bg-elevated: #1a1a2e;
  --cyan: #00ffff;
  --cyan-dim: rgba(0,255,255,0.15);
  --cyan-glow: 0 0 12px rgba(0,255,255,0.4);
  --magenta: #ff00ff;
  --magenta-dim: rgba(255,0,255,0.15);
  --magenta-glow: 0 0 12px rgba(255,0,255,0.4);
  --purple: #8b5cf6;
  --green: #00ff88;
  --orange: #ff8800;
  --red: #ff3355;
  --text: #f0f0f0;
  --text-dim: #8a8a9a;
  --border: rgba(0,255,255,0.12);
  --border-strong: rgba(0,255,255,0.3);
  --radius: 8px;
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Exo 2', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

html { font-size: 14px; }

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

.app-root {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== HEADER ===== */
.app-header {
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 50;
}

.header-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.2rem;
  letter-spacing: 2px;
  background: linear-gradient(135deg, var(--cyan), var(--magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  filter: drop-shadow(0 0 8px rgba(0,255,255,0.3));
}

.header-pro {
  font-size: 0.7rem;
  background: linear-gradient(135deg, var(--magenta), var(--orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  vertical-align: super;
}

.header-banana { filter: drop-shadow(0 0 6px rgba(255,200,0,0.5)); }

.header-tagline {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 2px;
  animation: fadeTagline 3s ease-in-out;
  font-family: var(--font-mono);
  font-weight: 300;
}

@keyframes fadeTagline {
  0% { opacity: 0; transform: translateY(4px); }
  15% { opacity: 1; transform: translateY(0); }
  85% { opacity: 1; }
  100% { opacity: 1; }
}

.header-right { display: flex; align-items: center; gap: 0.5rem; }
.header-version {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--cyan);
  background: var(--cyan-dim);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* ===== PROJECT TABS ===== */
.project-tabs-bar {
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: stretch;
  overflow: hidden;
  min-height: 40px;
}

.project-tabs-scroll {
  display: flex;
  overflow-x: auto;
  flex: 1;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.project-tabs-scroll::-webkit-scrollbar { height: 3px; }
.project-tabs-scroll::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 2px; }

.project-tab {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-right: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  position: relative;
  min-width: 120px;
  flex-shrink: 0;
}

.project-tab::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  transition: all 0.2s;
}

.project-tab:hover { background: rgba(0,255,255,0.05); }
.project-tab.active { background: rgba(0,255,255,0.08); }
.project-tab.active::after { background: var(--cyan); box-shadow: var(--cyan-glow); }

.tab-thumb-wrap {
  width: 24px;
  height: 24px;
  border-radius: 3px;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.tab-thumb { width: 100%; height: 100%; object-fit: cover; }

.tab-name {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-weight: 400;
}

.project-tab.active .tab-name { color: var(--cyan); }

.tab-unsaved-dot {
  width: 6px;
  height: 6px;
  background: var(--magenta);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--magenta);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%,100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.tab-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1rem;
  cursor: pointer;
  padding: 0 2px;
  line-height: 1;
  transition: color 0.15s;
}

.tab-close:hover { color: var(--red); }

.tab-add-btn {
  background: transparent;
  border: none;
  border-left: 1px solid var(--border);
  color: var(--cyan);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0 1rem;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.tab-add-btn:hover { background: var(--cyan-dim); }

/* ===== MAIN LAYOUT ===== */
.main-layout {
  flex: 1;
  display: grid;
  grid-template-columns: auto 1fr 340px;
  min-height: 0;
  overflow: hidden;
}

.main-layout.mobile {
  grid-template-columns: 1fr;
  grid-template-rows: 1fr auto;
}

/* ===== CANVAS AREA ===== */
.canvas-area {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background:
    linear-gradient(rgba(0,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,255,0.02) 1px, transparent 1px),
    linear-gradient(135deg, var(--bg-deep) 0%, #0d0d1a 100%);
  background-size: 30px 30px, 30px 30px, 100% 100%;
}

.canvas-viewport {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.canvas-wrapper {
  position: relative;
  transition: transform 0.15s ease;
  transform-origin: center;
}

.edit-image {
  max-width: 100%;
  max-height: calc(100vh - 200px);
  display: block;
  user-select: none;
  cursor: crosshair;
  border-radius: 2px;
}

.vignette-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(0,0,0,0.7) 100%);
}

/* Marching ants selection */
.marching-ants {
  position: absolute;
  pointer-events: none;
  border: 2px dashed var(--cyan);
  background: rgba(0,255,255,0.08);
  box-shadow: 0 0 15px rgba(0,255,255,0.3), inset 0 0 15px rgba(0,255,255,0.05);
  animation: march 0.5s linear infinite;
}

@keyframes march {
  to { border-dash-offset: 12px; }
}

.sel-badge {
  position: absolute;
  top: -24px;
  left: 0;
  background: var(--bg-deep);
  color: var(--cyan);
  padding: 2px 8px;
  font-size: 0.65rem;
  font-family: var(--font-mono);
  border-radius: 3px;
  border: 1px solid var(--border-strong);
  white-space: nowrap;
}

.canvas-overlay-top {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 10;
}

.img-counter {
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(8px);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  font-weight: 700;
}

.img-info-badge {
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(8px);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-dim);
}

.nav-arrow {
  width: 28px; height: 28px;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--cyan);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.nav-arrow:hover { background: var(--cyan-dim); box-shadow: var(--cyan-glow); }

.zoom-bar {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(10,10,15,0.9);
  backdrop-filter: blur(8px);
  padding: 0.3rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  z-index: 10;
}

.zoom-btn {
  width: 28px; height: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--cyan);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.zoom-btn:hover { background: var(--cyan-dim); box-shadow: var(--cyan-glow); }

.zoom-val {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  min-width: 40px;
  text-align: center;
}

/* ===== RIGHT SIDEBAR ===== */
.right-sidebar {
  background: var(--bg-panel);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
}

.stab {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.6rem 0.3rem;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 2px solid transparent;
}

.stab:hover { color: var(--cyan); background: rgba(0,255,255,0.03); }
.stab.active { color: var(--cyan); border-bottom-color: var(--cyan); background: rgba(0,255,255,0.05); }

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.sidebar-content::-webkit-scrollbar { width: 4px; }
.sidebar-content::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 2px; }

/* ===== PANELS ===== */
.panel-section {
  margin-bottom: 1.25rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--cyan);
  margin-bottom: 0.6rem;
  text-shadow: 0 0 8px rgba(0,255,255,0.3);
}

.subsection-title {
  font-family: var(--font-display);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--magenta);
  margin: 1rem 0 0.5rem;
}

/* Command input */
.command-input {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 0.7rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.8rem;
  resize: vertical;
  min-height: 60px;
  transition: all 0.25s;
}

.command-input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: var(--cyan-glow);
}

.command-input::placeholder { color: var(--text-dim); font-size: 0.75rem; }
.command-input:disabled { opacity: 0.4; cursor: not-allowed; }

.selection-info-badge {
  background: var(--cyan-dim);
  border: 1px solid var(--cyan);
  border-radius: 4px;
  padding: 0.35rem 0.6rem;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--cyan);
  margin-top: 0.4rem;
  text-align: center;
}

.recent-cmds { margin-top: 0.5rem; }
.recent-label { font-size: 0.65rem; color: var(--text-dim); }
.recent-select {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.3rem;
  margin-top: 0.25rem;
}

/* Template search and grid */
.template-search {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 0.7rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.75rem;
  margin-bottom: 0.6rem;
  transition: border-color 0.2s;
}

.template-search:focus { outline: none; border-color: var(--cyan); }
.template-search::placeholder { color: var(--text-dim); }

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.6rem;
}

.cat-tab {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.3rem 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
  transition: all 0.15s;
  color: var(--text-dim);
  font-size: 0.65rem;
}

.cat-tab:hover { border-color: var(--cyan); color: var(--text); }
.cat-tab.active { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-dim); }
.cat-icon { font-size: 0.8rem; }
.cat-name { font-weight: 600; }

.template-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.35rem;
  max-height: 360px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.template-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.55rem 0.35rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text);
}

.template-btn:hover {
  border-color: var(--cyan);
  background: var(--cyan-dim);
  transform: translateY(-1px);
  box-shadow: var(--cyan-glow);
}

.template-icon { font-size: 1.3rem; }
.template-label { font-size: 0.6rem; color: var(--text-dim); font-weight: 600; text-align: center; }

/* ===== NEON SLIDERS ===== */
.neon-slider-wrap { margin-bottom: 0.7rem; }

.neon-slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}

.neon-slider-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.neon-slider-value {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  font-weight: 700;
}

.neon-slider-track-wrap {
  position: relative;
  height: 6px;
  background: var(--bg-deep);
  border-radius: 3px;
}

.neon-slider-track-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  border-radius: 3px;
  opacity: 0.5;
  pointer-events: none;
}

.neon-slider-input {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  transform: translateY(-50%);
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  cursor: pointer;
  height: 20px;
  margin: 0;
}

.neon-slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--cyan);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 10px var(--cyan), 0 0 20px rgba(0,255,255,0.3);
  transition: transform 0.15s;
}

.neon-slider-input::-webkit-slider-thumb:hover { transform: scale(1.3); }

.neon-slider-input::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--cyan);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  box-shadow: 0 0 10px var(--cyan);
}

/* Filter presets */
.filter-presets-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.3rem;
}

.filter-preset-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  cursor: pointer;
  transition: all 0.15s;
  color: var(--text-dim);
  font-size: 0.65rem;
  font-weight: 600;
}

.filter-preset-btn:hover {
  border-color: var(--magenta);
  color: var(--magenta);
  background: var(--magenta-dim);
}

/* Blend/tool selects */
.blend-select-wrap { margin-top: 0.5rem; }
.blend-select {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.45rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.75rem;
  margin-top: 0.3rem;
}

.tool-grid {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.tool-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem;
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
  font-weight: 500;
}

.tool-btn:hover { border-color: var(--cyan); color: var(--text); }
.tool-btn.active { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-dim); box-shadow: var(--cyan-glow); }

/* ===== BUTTONS ===== */
.btn {
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.75rem;
}

.btn:disabled { opacity: 0.35; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--magenta));
  color: var(--bg-deep);
  padding: 0.8rem 1.5rem;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,255,255,0.35), 0 6px 20px rgba(255,0,255,0.25);
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  color: var(--cyan);
  padding: 0.8rem 1.5rem;
}

.btn-secondary:hover:not(:disabled) {
  background: var(--cyan-dim);
  box-shadow: var(--cyan-glow);
}

.btn-apply {
  width: 100%;
  background: linear-gradient(135deg, var(--cyan), var(--magenta));
  color: var(--bg-deep);
  padding: 0.75rem;
  margin-top: 0.5rem;
  font-size: 0.8rem;
}

.btn-apply:hover:not(:disabled) {
  box-shadow: 0 4px 16px rgba(0,255,255,0.4), 0 4px 16px rgba(255,0,255,0.3);
  transform: translateY(-1px);
}

.btn-small {
  padding: 0.4rem 0.75rem;
  font-size: 0.65rem;
}

.btn-reset-filters {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  margin-top: 0.5rem;
}

.btn-reset-filters:hover { border-color: var(--orange); color: var(--orange); }

/* ===== BOTTOM TOOLBAR ===== */
.bottom-toolbar {
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  padding: 0.4rem 0.75rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tb-group {
  display: flex;
  gap: 0.35rem;
  align-items: center;
  flex-wrap: wrap;
}

.tb-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.35rem 0.65rem;
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.tb-btn:hover:not(:disabled) { border-color: var(--cyan); color: var(--cyan); }
.tb-btn:disabled { opacity: 0.3; cursor: not-allowed; }

.tb-save { border-color: rgba(0,255,136,0.3); color: var(--green); }
.tb-save:hover:not(:disabled) { border-color: var(--green); box-shadow: 0 0 8px rgba(0,255,136,0.3); }

.tb-download {
  background: linear-gradient(135deg, rgba(0,255,255,0.1), rgba(255,0,255,0.1));
  border-color: var(--cyan);
  color: var(--cyan);
}

.tb-download:hover:not(:disabled) { box-shadow: var(--cyan-glow); }

.format-select {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.35rem 0.4rem;
}

/* ===== HISTORY SIDEBAR ===== */
.history-sidebar {
  width: 220px;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.history-header h3 {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 2px;
  color: var(--cyan);
}

.history-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.2rem;
  cursor: pointer;
}

.history-close:hover { color: var(--red); }

.history-compare { padding: 0.5rem; }

.history-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.4rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.history-item {
  display: flex;
  gap: 0.5rem;
  padding: 0.4rem;
  border-radius: 4px;
  cursor: pointer;
  margin-bottom: 0.3rem;
  transition: background 0.15s;
  border: 1px solid transparent;
}

.history-item:hover { background: rgba(0,255,255,0.05); }
.history-item.active { border-color: var(--cyan); background: var(--cyan-dim); }

.history-thumb-wrap {
  width: 36px;
  height: 36px;
  border-radius: 3px;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.history-thumb { width: 100%; height: 100%; object-fit: cover; }

.history-meta { flex: 1; min-width: 0; }
.history-cmd { font-size: 0.65rem; color: var(--text); font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history-time { font-size: 0.55rem; color: var(--text-dim); font-family: var(--font-mono); margin-top: 2px; }

/* ===== UPLOAD ZONE ===== */
.upload-zone-outer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 2rem;
}

.upload-zone {
  max-width: 500px;
  width: 100%;
  min-height: 260px;
  border: 2px dashed var(--border-strong);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  background: linear-gradient(135deg, rgba(0,255,255,0.02), rgba(255,0,255,0.02));
  animation: zone-pulse 4s ease-in-out infinite;
  padding: 2rem;
}

@keyframes zone-pulse {
  0%,100% { border-color: rgba(0,255,255,0.2); }
  50% { border-color: rgba(255,0,255,0.3); }
}

.upload-zone.drag-over {
  border-color: var(--cyan);
  box-shadow: 0 0 40px rgba(0,255,255,0.2);
  background: rgba(0,255,255,0.05);
}

.upload-zone:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 20px rgba(0,255,255,0.1);
}

.upload-icon-anim {
  font-size: 3rem;
  margin-bottom: 0.75rem;
  animation: float-icon 3s ease-in-out infinite;
}

@keyframes float-icon {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.upload-main-text { font-weight: 700; font-size: 1rem; color: var(--cyan); }
.upload-sub-text { color: var(--text-dim); font-size: 0.75rem; margin-top: 0.3rem; }
.upload-template-link { color: var(--magenta); font-size: 0.75rem; margin-top: 0.6rem; cursor: pointer; }
.upload-template-link:hover { text-decoration: underline; }

/* ===== WELCOME ===== */
.welcome-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(0,255,255,0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(255,0,255,0.04) 0%, transparent 60%),
    var(--bg-deep);
}

.welcome-card {
  max-width: 680px;
  width: 100%;
}

.welcome-hero {
  text-align: center;
  margin-bottom: 1.5rem;
  position: relative;
}

.welcome-glow {
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0,255,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.welcome-heading {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: 3px;
  background: linear-gradient(135deg, var(--cyan), var(--magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 15px rgba(0,255,255,0.3));
  margin-bottom: 0.5rem;
}

.welcome-icon-big {
  filter: drop-shadow(0 0 20px rgba(0,255,255,0.6));
}

.pro-badge {
  font-size: 0.9rem;
  background: linear-gradient(135deg, var(--magenta), var(--orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  vertical-align: super;
}

.welcome-desc {
  color: var(--text-dim);
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 500px;
  margin: 0 auto;
}

.welcome-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem;
}

.welcome-feat {
  font-size: 0.8rem;
  color: var(--text-dim);
  padding: 0.3rem;
}

.welcome-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1.5rem;
}

/* ===== MODAL ===== */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  max-width: 560px;
  width: 92%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 30px rgba(0,255,255,0.05);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 2px;
  color: var(--cyan);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.8rem;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s;
}

.modal-close:hover { color: var(--red); }

.projects-list { padding: 1rem 1.5rem; }

.empty-state {
  text-align: center;
  color: var(--text-dim);
  padding: 2.5rem 1rem;
  font-size: 0.85rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  transition: all 0.2s;
  cursor: pointer;
}

.project-card:hover {
  border-color: var(--cyan);
  box-shadow: var(--cyan-glow);
}

.project-card-info { flex: 1; }
.project-card-name { font-weight: 700; color: var(--text); font-size: 0.85rem; }
.project-card-meta { font-size: 0.7rem; color: var(--text-dim); margin-top: 0.15rem; font-family: var(--font-mono); }

.project-card-delete {
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.3rem;
  transition: transform 0.15s;
}

.project-card-delete:hover { transform: scale(1.2); }

/* ===== PROCESSING OVERLAY ===== */
.processing-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(10,10,15,0.95);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.processing-content { text-align: center; }

.processing-ring {
  width: 100px;
  height: 100px;
  border: 3px solid transparent;
  border-top-color: var(--cyan);
  border-right-color: var(--magenta);
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  animation: spin 1s linear infinite;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(0,255,255,0.2), inset 0 0 20px rgba(255,0,255,0.1);
}

.processing-banana {
  font-size: 2.5rem;
  animation: pulse-banana 1.5s ease-in-out infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse-banana {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

.processing-msg {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--cyan);
  letter-spacing: 1px;
  margin-bottom: 0.75rem;
  text-shadow: 0 0 10px rgba(0,255,255,0.4);
}

.processing-bar-wrap {
  width: 200px;
  height: 3px;
  background: var(--bg-elevated);
  border-radius: 2px;
  margin: 0 auto;
  overflow: hidden;
}

.processing-bar-fill {
  height: 100%;
  width: 30%;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  border-radius: 2px;
  animation: progress-slide 1.5s ease-in-out infinite;
}

@keyframes progress-slide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(600%); }
}

/* ===== TOASTS ===== */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 3000;
}

.toast {
  padding: 0.7rem 1.2rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  animation: toast-in 0.3s ease;
  backdrop-filter: blur(8px);
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.toast-success { background: rgba(0,255,136,0.15); border: 1px solid var(--green); color: var(--green); box-shadow: 0 0 15px rgba(0,255,136,0.2); }
.toast-error { background: rgba(255,51,85,0.15); border: 1px solid var(--red); color: var(--red); box-shadow: 0 0 15px rgba(255,51,85,0.2); }
.toast-info { background: rgba(0,255,255,0.1); border: 1px solid var(--cyan); color: var(--cyan); box-shadow: var(--cyan-glow); }

.error-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255,51,85,0.95);
  color: white;
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  cursor: pointer;
  z-index: 3001;
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: 0 8px 30px rgba(255,51,85,0.4);
  animation: toast-in 0.3s ease;
}

/* ===== FOOTER ===== */
.app-footer {
  padding: 0.6rem 1.5rem;
  text-align: center;
  font-size: 0.65rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  background: var(--bg-deep);
}

.footer-link {
  color: var(--cyan);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.15s;
}

.footer-link:hover { color: var(--magenta); }

.footer-badge {
  background: linear-gradient(135deg, var(--cyan), var(--magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 1px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .main-layout {
    grid-template-columns: 1fr;
  }

  .right-sidebar {
    border-left: none;
    border-top: 1px solid var(--border);
    max-height: 50vh;
  }

  .history-sidebar {
    width: 100%;
    max-height: 200px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .canvas-area { min-height: 300px; }

  .welcome-heading { font-size: 1.5rem; }

  .welcome-features { grid-template-columns: 1fr 1fr; }

  .template-grid { grid-template-columns: repeat(3, 1fr); }

  .bottom-toolbar { padding: 0.3rem 0.5rem; }

  .tb-btn { padding: 0.3rem 0.5rem; font-size: 0.6rem; }
}

@media (max-width: 480px) {
  .header-title { font-size: 0.9rem; letter-spacing: 1px; }
  .welcome-heading { font-size: 1.2rem; }
  .welcome-features { grid-template-columns: 1fr; }
  .category-tabs { gap: 0.2rem; }
  .cat-tab { padding: 0.25rem 0.35rem; font-size: 0.6rem; }
  .template-grid { grid-template-columns: repeat(2, 1fr); }
}